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The Three Gorges Dam is the largest hydroelectric dam in the world. It is located in the middle of the tree gorges on the Yangtze River, the third longest in the world, in the Hubei Province of China.
New River Gorge National River was established in 1978 as a unit of the national park system. Located in the Appalachian Mountains of southern West Virginia, the park encompasses over 72,808 acres (295 km2) of land along 53 miles (85 km) of the New River from Bluestone Dam to Hawks Nest State Park.